Suction cup



FIG. 1 is a top, side, perspective view of a suction cup showing our newdesign;

FIG. 2 is a top view thereof;

FIG. 3 is one side view thereof, the opposite side view being identical;

FIG. 4 is another side view thereof, the opposite side view beingidentical;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a cross-section view thereof on the line 6—6 in FIG. 2.

The ornamental design for a suction cup, as shown and described.